package com.itheima.mapper;

import com.itheima.pojo.Emp;
import org.apache.ibatis.annotations.*;
import org.apache.ibatis.annotations.Param;

import java.time.LocalDate;
import java.util.List;

/**
 * 员工管理
 */
@Mapper
public interface EmpMapper {

    /**
     * 查询记录数
     *
     * @return
     */
//    @Select("select count(*) from emp")
//    public Long count();

    /**
     * 分页查询，获取列表数据
     * @return
     */
//    @Select("select * from emp limit #{start},#{pageSize}")
//    public List<Emp> page(@Param("start") Integer start, @Param("pageSize") Integer pageSize);

//    @Select("select * from emp")
    List<Emp> list(@Param("name")String name, @Param("gender")Short gender, @Param("begin")LocalDate begin, @Param("end")LocalDate end);


    /**
     * 批量删除员工
     * @param ids
     */
    void delete(List<Integer> ids);

    @Insert("insert into emp(username, name, gender, image, job, entrydate, dept_id, create_time, update_time) " +
            "values(#{username},#{name},#{gender},#{image},#{job},#{entrydate},#{deptId},#{createTime},#{updateTime}) ")
    void insert(Emp emp);

    @Select("select * from emp where id = #{id}")
    Emp selectById(Integer id);


    void update(Emp emp);

    @Select("select * from emp where username = #{username} and password = #{password}")
    Emp getByUsernameAndPassword(Emp emp);

    @Delete("delete from emp where dept_id = #{deptId}")
    void deleteByDeptId(Integer deptId);
}
